Dominate <i>what</i>?<p>The entire field of software development? The number of new lines of code produced? Accounting systems currently in Cobol? Medical systems currently in MUMPS? Quantum chemistry software currently in Fortan?<p>Will it dominate the field like Perl?<p>Or just dominate the conversation of the self-appointed cool kids?<p>Regarding "Over half of the top 20 companies in the U.S. ranked by market capitalization are currently using Go."<p>There's good odds that over half of them also use Java, Python, C++, Ruby, Lisp, Rust, and Erlang.